Question

Compare cast iron, steel and wrought iron.

Answer 1

Hint : Type of iron

Cast Iron	Wrought Iron	Steel
Cast iron is a more purified form of iron, which contain less amount of impurities that in the pig iron.	Wrought iron is a pure form of pig iron. It is a purified form of iron. It contains 99.5% pure iron and 0.5% other matter.	Steel is a metal alloy composed of iron, carbon and few other elements.
Cast iron is neither malleable nor ductile.	Wrought iron are Malleable and ductile.	Produced through a firing process followed by addition and removal of different components to create the final alloy
Cast irons are Brittle in nature.	It’s Melting point 1500℃	Has a good tensile strength
It is less corrosive.	It’s specific gravity 7.8	Contains about 2-4 % of carbon.
It can’t be welded together.	It can be welded together.